| appearance as argument number 1 |
|
| No TPTP formula. May not be expressible in strict first order. | Communications.kif 49-51 | |
| No TPTP formula. May not be expressible in strict first order. | Communications.kif 47-47 | 主要电话线 是 通讯设备 的 subclass |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 35681-35681 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 35680-35680 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 35679-35679 |
| consequent |
|
|
| No TPTP formula. May not be expressible in strict first order. | Communications.kif 52-57 |
|
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Sigma version 3.0 is open source software produced by Articulate Software and its partners